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The regimental War Diaries are held at The UK National Archives and as of April 2020 have been made available for free download*. They are the official unit war diaries for the British Army that contain records of daily activities, including casualties. They are not personal diaries.
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Private William Bentley Clarke
Date of death: 19/09/1917 (aged 22)
Cemetery: BRUAY COMMUNAL CEMETERY EXTENSION
Son of Mrs. E. Clarke, of 143, St. Clarens Avenue, Toronto, Ontario.
Lance Corporal Clarke
Royal Dublin Fusiliers
Date of death: 19/09/1917
Cemetery: CROISILLES BRITISH CEMETERY